Normal:
w1_1.txt
w1_2.txt
w1_3.txt
w2_1.txt
w2_2.txt
w2_3.txt
w3_1.txt
w3_2.txt
w3_3.txt
w4_1.txt
w4_2.txt
w4_3.txt
w5_1.txt
w5_2.txt
w5_3.txt
Secret:
wa.txt
wb.txt
wc.txt
wd.txt
we.txt
wf.txt
wg.txt
wh.txt